Obviously this is not a good situation as it can cause the entire roof to fail if not addressed.
Roof rafter repair.
Before you can purchase the l channel you need to know the size of the rafter.
Regardless of the cause a split rafter must be repaired to ensure the integrity of the roof s support system.
This board is a section of lumber that is the same thickness as the rafter and 2 feet longer on each side of the damaged section.
If you see a rotted rafter you should take steps to identify the source of moisture that is causing the decay.
This includes repairing any leaks in the roof above the rafter.
Start by prying away the bottom and sides of the old eaves and cutting new materials to match.
A cracked roof rafter needs to be repaired and can be done byf an experienced do it yourselfer.
From time to time an attic rafter will split along a knot typically after having a new roof installed because of the workers walking around on it.
Use your tape measure to record the distance of both rafter legs.
Measure the dimensions of the old rafters beneath your roofing surface.
Repairing this is called scabbing.
This article describes a diy repair project using a site built spreader to straighten sagged roof rafters and decking.
A cracked or damaged rafter due to a defect in the wood or an impact from an outside force may be able to be repaired preventing a very costly roofing repair.
Step 1 measure the damaged rafter.
In terms of repair fixing a split is not particularly complicated but the repair.
When considering what to do about sags in a roof start by noticing if the sag is in sheathing between rafters page top photo0 or sagging along the length of the rafters.
Although the rafter must be replaced if it is completely broken smaller areas of damage can be repaired through the application of a scab board.
Roof rafter decking sagging.
Fortunately repairing rotten or weathered eaves is a relatively simple project that you can do yourself without ever having to climb onto your roof.
It may also include replacing roof sheathing.
Repeat the process for the joist beneath your old roof rafter.
Apply a resilient weatherproof coating to the new pieces then secure them using stainless steel nails.
Use a circular saw to cut two sets of new rafters from the same size wood by the same dimensions.
A cracked roof rafter can create a sagging and unsightly roof.